JPH0288491U - - Google Patents

Info

Publication number
JPH0288491U
JPH0288491U JP1988165522U JP16552288U JPH0288491U JP H0288491 U JPH0288491 U JP H0288491U JP 1988165522 U JP1988165522 U JP 1988165522U JP 16552288 U JP16552288 U JP 16552288U JP H0288491 U JPH0288491 U JP H0288491U
Authority
JP
Japan
Prior art keywords
current
circuit
drive
control
motor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP1988165522U
Other languages
Japanese (ja)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1988165522U priority Critical patent/JPH0288491U/ja
Priority to US07/448,857 priority patent/US5030897A/en
Publication of JPH0288491U publication Critical patent/JPH0288491U/ja
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P6/00—Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position; Electronic commutators therefor
    • H02P6/28—Arrangements for controlling current

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図はこの考案に係るモータ制御回路に好適
な駆動電流制御回路の構成例を示す回路図、第２
図はこの考案に係るモータ制御回路に好適な駆動
電流制御回路の他の構成例を示す回路図、第３図
はモータ駆動回路の全体構成を示すブロツク図、
第４図はドライブ電流発生回路の構成例を示す回
路図、第５図は従来の駆動電流制御回路の構成例
を示す回路図である。 １０……モータ、１２……ドライブ信号発生回
路、１４……駆動電流制御回路、１６……電流ド
ライバ、３８……電流調整器、４６……位相補償
用コンデンサ、５０……カレントミラー、６０…
…第１の電流駆動トランジスタ、６６……第２の
電流駆動トランジスタ。 FIG. 1 is a circuit diagram showing a configuration example of a drive current control circuit suitable for a motor control circuit according to this invention, and FIG.
FIG. 3 is a circuit diagram showing another configuration example of a drive current control circuit suitable for the motor control circuit according to the invention, FIG. 3 is a block diagram showing the overall configuration of the motor drive circuit,
FIG. 4 is a circuit diagram showing an example of the configuration of a drive current generation circuit, and FIG. 5 is a circuit diagram showing an example of the configuration of a conventional drive current control circuit. 10... Motor, 12... Drive signal generation circuit, 14... Drive current control circuit, 16... Current driver, 38... Current regulator, 46... Phase compensation capacitor, 50... Current mirror, 60...
...first current drive transistor, 66...second current drive transistor.

Claims (1)

【実用新案登録請求の範囲】 モータの回転位置を検出する回転位置検出手段
と、 この回転位置検出手段によつて得られる検出位
置信号に応じてモータへ供給する電流の切替制御
のための信号を発生するドライブ信号発生回路と
、 このドライブ信号発生回路からの信号に応じて
交互にオンオフされ、モータ駆動電流の流し込み
、流し出しを制御する第１及び第２の電流制御素
子を含む電流ドライバと、 外部から入力される外部入力制御信号に応じて
電流ドライバにおける電流制御素子における流し
込み電流および流れ出し電流を制御する駆動電流
制御回路と、 を含み、 上記駆動電流制御回路は、 上記外部からの制御信号に応じた所定の波形の
電流をカレントミラー回路から出力する電流調整
回路と、 この電流調整回路のカレントミラー回路の制御
信号供給側に接続された位相補償用コンデンサと
、 を有することを特徴とするモータ駆動回路。[Claims for Utility Model Registration] A rotational position detection means for detecting the rotational position of a motor, and a signal for controlling the switching of current supplied to the motor in accordance with a detected position signal obtained by the rotational position detection means. a current driver including a drive signal generation circuit that generates a drive signal, and first and second current control elements that are alternately turned on and off in response to signals from the drive signal generation circuit and control the inflow and outflow of motor drive current; a drive current control circuit that controls an inflow current and an outflow current in a current control element in a current driver according to an external input control signal input from the outside; a current adjustment circuit that outputs a current with a predetermined waveform according to the current mirror circuit; and a phase compensation capacitor connected to the control signal supply side of the current mirror circuit of the current adjustment circuit. drive circuit.
JP1988165522U 1988-12-20 1988-12-20 Pending JPH0288491U (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP1988165522U JPH0288491U (en) 1988-12-20 1988-12-20
US07/448,857 US5030897A (en) 1988-12-20 1989-12-12 Driving current control circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988165522U JPH0288491U (en) 1988-12-20 1988-12-20

Publications (1)

Publication Number Publication Date
JPH0288491U true JPH0288491U (en) 1990-07-12

Family

ID=15813990

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988165522U Pending JPH0288491U (en) 1988-12-20 1988-12-20

Country Status (2)

Country Link
US (1) US5030897A (en)
JP (1) JPH0288491U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04271294A (en) * 1991-02-22 1992-09-28 Sanyo Electric Co Ltd Motor drive circuit

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5103148A (en) * 1990-11-06 1992-04-07 Motorola, Inc. Low voltage circuit to control high voltage transistor
JPH06165567A (en) * 1992-11-17 1994-06-10 Hitachi Ltd Semiconductor integrated circuit device
US5867001A (en) * 1996-09-19 1999-02-02 Texas Instruments Incorporated Trim circuitry and method for accuracy in current sensing
DE502004010175D1 (en) * 2004-02-03 2009-11-12 Ebm Papst St Georgen Gmbh & Co ELECTRONICALLY COMMUTATED MOTOR AND METHOD FOR CONTROLLING SUCH A

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59136090A (en) * 1983-01-24 1984-08-04 Matsushita Electric Ind Co Ltd Brushless motor

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4336562A (en) * 1981-02-23 1982-06-22 General Motors Corporation H-Switch having short to plus protection
JPS57185027A (en) * 1981-05-08 1982-11-15 Canon Inc Motor driving circuit of camera
JPS58151814A (en) * 1982-03-04 1983-09-09 株式会社東芝 H switch circuit with overcurrent protecting circuit
US4535276A (en) * 1983-01-12 1985-08-13 Matsushita Electric Industrial Co., Ltd. Output circuit and brushless motor using the same
US4651067A (en) * 1984-02-24 1987-03-17 Hitachi, Ltd. Apparatus for driving brushless motor
US4686436A (en) * 1984-07-06 1987-08-11 General Electric Company Electronic control circuit, electronically commutated motor system and method for controlling same, laundry apparatus, and methods for operating apparatus for switching high voltage DC and for controlling electrical load powering apparatus
US4651068A (en) * 1984-10-01 1987-03-17 Electro-Craft Corporation Brushless motor control circuitry with optimum current vector control
US4746843A (en) * 1985-01-25 1988-05-24 Adept Technology, Inc. Motor control circuit and drive amplifier for a permanent magnet DC torque motor
US4661766A (en) * 1985-12-23 1987-04-28 Caterpillar Inc. Dual current sensing driver circuit

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59136090A (en) * 1983-01-24 1984-08-04 Matsushita Electric Ind Co Ltd Brushless motor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04271294A (en) * 1991-02-22 1992-09-28 Sanyo Electric Co Ltd Motor drive circuit

Also Published As

Publication number Publication date
US5030897A (en) 1991-07-09

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